import { Collection } from './Collection';
import { EdgeModel } from './EdgeModel';
import { IVertex } from './IVertex';
import { IIdentityProfile } from './IIdentityProfile';
import { MongoModel } from '../mongodb/MongoModel';
export declare let EdgeSymbolKey: symbol;
export declare let VertexCollectionSymbolKey: symbol;
export interface VertexModelConstructor<T extends VertexModel> {
    new (): any;
    getType(): string;
}
export declare class VertexModel extends MongoModel implements IVertex {
    expires: Date;
    createdAt: Date;
    createdFrom: string;
    createdBy: IIdentityProfile;
    updatedAt: Date;
    updatedFrom: string;
    updatedBy: IIdentityProfile;
    collection(): Collection<VertexModel>;
    readonly $edge: string;
    addEdge(label: string, model: VertexModel, meta?: any): Promise<EdgeModel>;
    fetch(): Promise<VertexModel>;
    findEdges(): Promise<Array<EdgeModel>>;
    findOutEdges(): Promise<Array<EdgeModel>>;
    findFromVertices<T extends VertexModel>(outModelConstructor: VertexModelConstructor<T>, label?: string): Promise<Array<T>>;
    findOutVertices<T extends VertexModel>(outModelConstructor: VertexModelConstructor<T>, label?: string): Promise<Array<T>>;
    findInEdges(): Promise<Array<EdgeModel>>;
    findToVertices<T extends VertexModel>(outModelConstructor: VertexModelConstructor<T>, label?: string): Promise<Array<T>>;
    findInVertices<T extends VertexModel>(inModelConstructor: VertexModelConstructor<T>, label?: string): Promise<Array<T>>;
    findOutTypes(label: string): Promise<Array<string>>;
    findOutLabels(inModelConstructor: VertexModelConstructor<VertexModel>): Promise<Array<string>>;
}